Edward T Connold eBooks
eBooks di Edward T Connold di Formato Pdf
British Oak Galls. E-book. Formato PDF
Edward T. Connold
edizioni Forgotten Books collana , 2017
The object of this volume is to describe and illus trate, in some measure, galls produced by the Cynipidae and other causes of galls on the Oak. The insects, with their parasites and other occupants of the galls, have been fully described by various writers; several pages will, however, be devoted to a few interesting...